1223102553 has 8 divisors (see below), whose sum is σ = 1726733088. Its totient is φ = 767436864.

The previous prime is 1223102549. The next prime is 1223102597. The reversal of 1223102553 is 3552013221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1223102553 - 2² = 1223102549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1224102553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11991151 + ... + 11991252.

It is an arithmetic number, because the mean of its divisors is an integer number (215841636).

Almost surely, 2^1223102553 is an apocalyptic number.

It is an amenable number.

1223102553 is a deficient number, since it is larger than the sum of its proper divisors (503630535).

1223102553 is a wasteful number, since it uses less digits than its factorization.

1223102553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23982423.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1223102553 is about 34972.8831096322. The cubic root of 1223102553 is about 1069.4347475915.

Adding to 1223102553 its reverse (3552013221), we get a palindrome (4775115774).

The spelling of 1223102553 in words is "one billion, two hundred twenty-three million, one hundred two thousand, five hundred fifty-three".